1. Material: alloy+ABS+electronic components
2. Independent shock spring
3. Smoother ride
4. USB charging battery life
5. Remote control method: handle
6. Anti-drop and crash-resistant reinforced alloy car shell
7. Enlarge hollow tires to enhance grip
8. Remote control battery: 2 1.5V AA batteries (not included in delivery), body battery: built-in 3.7V lithium battery
9. Small medium size: 19.8x12.2x11.8cm, large size: 24x17x17cm